Buffer overflow in Zephyrproject Zephyr

CVE-2020-10019

USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. This could be used by a malicious USB host to exploit the buffer overflow. See NCC-ZEP-002 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-10019?
CVE-2020-10019 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2020-05-11.
How severe is CVE-2020-10019?
High severity. CVSS v3 base score is 8.1 out of 10.